Java tutorial
//package com.java2s; import java.io.StringWriter; import javax.xml.transform.OutputKeys; import javax.xml.transform.Transformer; import javax.xml.transform.TransformerConfigurationException; import javax.xml.transform.TransformerException; import javax.xml.transform.TransformerFactory; import javax.xml.transform.dom.DOMSource; import javax.xml.transform.stream.StreamResult; import org.w3c.dom.Document; public class Main { public static String docToString(Document doc) { return docToString(doc, false); } public static String docToString(Document doc, boolean formated) { TransformerFactory tf = TransformerFactory.newInstance(); Transformer transformer = null; try { transformer = tf.newTransformer(); } catch (TransformerConfigurationException e) { e.printStackTrace(); return null; } transformer.setOutputProperty(OutputKeys.METHOD, "xml"); if (formated) { // linefeed formatting transformer.setOutputProperty(OutputKeys.INDENT, "yes"); } else { // remove xml header transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes"); } StringWriter sw = new StringWriter(); StreamResult sr = new StreamResult(sw); DOMSource domSource = new DOMSource(doc); try { transformer.transform(domSource, sr); } catch (TransformerException e) { e.printStackTrace(); return null; } return sw.toString(); } }